There are four SIP lines; user could select any one
to make the call, if it has been registered.
Keys combination, include functions such as
History/P-BOOK /DND /Menu /Del /Redial /Send
/
Quit/Answer/Divert/Reject/Hold/Transfer/Conf/Cl
ose and so on.
Navigation key assist users for operating.
In idle state they have special function.
You can configure through the web page according
to your patterns of use.
Access to phone book, check the record list and
add new records and revise the record. When check
the phone book record, press this key again will
return to idle mode.